186
FNCA52 TJSJ 110730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST SAT APR 11 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-112000-
SOUTHEAST COASTAL PLAINS-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 40
TEMP (24H TREND) 88 (+2) 71 (-2) 88
RH % (24H TREND) 55 (-1) 93 (+5) 54
WIND 20FT/EARLY(MPH) E 12 E 11 E 12
WIND 20FT/LATE(MPH) SE 13 NE 9 SE 13
MIXING HGT(FT-AGL/MSL)4520 4650
TRANSPORT WND (MPH) E 13 E 14
VENT RATE (KT-FT) 49720 55800
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-112000-
SOUTHERN HILLS-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 30 10 50
TEMP (24H TREND) 84 (+3) 67 (-3) 84
RH % (24H TREND) 65 (-2) 99 (+5) 65
WIND 20FT/EARLY(MPH) E 9 E 8 E 10
WIND 20FT/LATE(MPH) SE 10 E 8 SE 10
MIXING HGT(FT-AGL/MSL)5440 5380
TRANSPORT WND (MPH) E 10 E 13
VENT RATE (KT-FT) 48960 59180
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-112000-
NORTH COASTAL PLAINS-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 50 20 60
TEMP (24H TREND) 88 (+1) 70 (-2) 87
RH % (24H TREND) 62 (0) 100 (+3) 63
WIND 20FT/EARLY(MPH) E 10 E 10 E 11
WIND 20FT/LATE(MPH) E 13 SE 8 E 17
MIXING HGT(FT-AGL/MSL)4720 4790
TRANSPORT WND (MPH) E 9 E 13
VENT RATE (KT-FT) 37760 52690
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-112000-
NORTHERN HILLS-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 10 70
TEMP (24H TREND) 87 (+1) 68 (-1) 86
RH % (24H TREND) 63 (+2) 100 (+3) 64
WIND 20FT/EARLY(MPH) E 8 E 8 E 9
WIND 20FT/LATE(MPH) NE 11 E 6 NE 13
MIXING HGT(FT-AGL/MSL)5700 5500
TRANSPORT WND (MPH) E 7 E 10
VENT RATE (KT-FT) 34200 49500
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-112000-
WEST COAST-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 40 20 50
TEMP (24H TREND) 88 (0) 69 (-2) 88
RH % (24H TREND) 62 (-2) 100 (+3) 63
WIND 20FT/EARLY(MPH) E 10 E 8 E 11
WIND 20FT/LATE(MPH) E 10 E 8 E 11
MIXING HGT(FT-AGL/MSL)5090 5010
TRANSPORT WND (MPH) SE 7 E 8
VENT RATE (KT-FT) 30540 35070
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-112000-
EASTERN INTERIOR-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 40 30 60
TEMP (24H TREND) 86 (+2) 69 (-2) 85
RH % (24H TREND) 65 (0) 100 (+3) 66
WIND 20FT/EARLY(MPH) SE 10 E 10 E 11
WIND 20FT/LATE(MPH) SE 12 E 9 E 11
MIXING HGT(FT-AGL/MSL)5450 5530
TRANSPORT WND (MPH) E 12 E 12
VENT RATE (KT-FT) 54500 55300
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-112000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 40 60
TEMP (24H TREND) 81 (+3) 66 (-4) 80
RH % (24H TREND) 72 (-2) 100 (+1) 72
WIND 20FT/EARLY(MPH) SE 9 E 9 E 10
WIND 20FT/LATE(MPH) SE 10 E 6 E 10
MIXING HGT(FT-AGL/MSL)4190 4050
TRANSPORT WND (MPH) SE 13 E 12
VENT RATE (KT-FT) 46090 40500
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-112000-
CENTRAL MOUNTAIN RANGE-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 0 60
TEMP (24H TREND) 84 (+4) 65 (-3) 84
RH % (24H TREND) 66 (-2) 100 (+3) 67
WIND 20FT/EARLY(MPH) SE 6 LGT/VAR E 8
WIND 20FT/LATE(MPH) SE 6 LGT/VAR E 8
MIXING HGT(FT-AGL/MSL)6470 5990
TRANSPORT WND (MPH) E 7 E 9
VENT RATE (KT-FT) 38820 47920
DISPERSION 5 5
DSI 5 1 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-112000-
CAYEY MOUNTAIN RANGE-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 30 20 50
TEMP (24H TREND) 81 (+3) 67 (-3) 80
RH % (24H TREND) 73 (+1) 100 (+1) 73
WIND 20FT/EARLY(MPH) E 9 E 8 E 9
WIND 20FT/LATE(MPH) SE 9 E 6 E 10
MIXING HGT(FT-AGL/MSL)4750 4860
TRANSPORT WND (MPH) E 13 E 13
VENT RATE (KT-FT) 52250 53460
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-112000-
VIEQUES-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 40 50 50
TEMP (24H TREND) 85 (0) 72 (-3) 85
RH % (24H TREND) 64 (+1) 97 (+5) 63
WIND 20FT/EARLY(MPH) E 12 E 12 E 12
WIND 20FT/LATE(MPH) E 12 E 12 E 12
MIXING HGT(FT-AGL/MSL)2800 2670
TRANSPORT WND (MPH) E 15 E 15
VENT RATE (KT-FT) 36400 34710
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-112000-
CULEBRA-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 30 40 50
TEMP (24H TREND) 86 (0) 74 (-2) 86
RH % (24H TREND) 65 (+1) 97 (+5) 64
WIND 20FT/EARLY(MPH) E 13 E 12 E 12
WIND 20FT/LATE(MPH) E 12 E 12 E 12
MIXING HGT(FT-AGL/MSL)2870 2690
TRANSPORT WND (MPH) E 16 E 16
VENT RATE (KT-FT) 40180 37660
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-112000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 40
TEMP (24H TREND) 89 (+2) 71 (-2) 89
RH % (24H TREND) 53 (-3) 98 (+7) 53
WIND 20FT/EARLY(MPH) E 13 E 9 E 14
WIND 20FT/LATE(MPH) SE 14 E 11 SE 16
MIXING HGT(FT-AGL/MSL)5020 4990
TRANSPORT WND (MPH) E 14 E 15
VENT RATE (KT-FT) 60240 64870
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-112000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 30 50
TEMP (24H TREND) 85 (+1) 73 (-3) 85
RH % (24H TREND) 63 (-2) 98 (+7) 63
WIND 20FT/EARLY(MPH) E 14 E 13 E 13
WIND 20FT/LATE(MPH) E 13 E 13 E 12
MIXING HGT(FT-AGL/MSL)2850 2730
TRANSPORT WND (MPH) E 16 E 17
VENT RATE (KT-FT) 39900 40950
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-112000-
ST CROIX-
330 AM AST SAT APR 11 2026
TODAY TONIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 40 40
TEMP (24H TREND) 86 (+1) 72 (-4) 86
RH % (24H TREND) 66 (0) 99 (+7) 65
WIND 20FT/EARLY(MPH) E 14 E 11 E 13
WIND 20FT/LATE(MPH) E 14 E 11 E 13
MIXING HGT(FT-AGL/MSL)4240 4180
TRANSPORT WND (MPH) E 18 E 17
VENT RATE (KT-FT) 67840 62700
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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